| Section |
Maintenance item |
Outline |
| Optical |
U071 Adjust the DP leading edge Timing |
Adjust the DP scanning timing |
| U072 Adjusting the DP original center |
Adjust the center line for DP scanning |
| U073 Scanner motor operation check |
Move the scanner in the set condition |
| U074 Adjust DP input characteristics |
Set the DP image scanning density from the document processor |
| U087 Setting the DP scanning position change operation |
Change the scanning position as the corrective measures for the black lines |
| U089 MIP-PG pattern output |
Output MIP-PG pattern |
| U091 White lines correction setting |
Set the white lines detection threshold |
| U099 Original size detection setting |
Set the original size detection check and detection threshold |
| High voltage system |
U100 Main High voltage adjustment |
Adjust the drum surface potential |
| U101 Primary transfer voltage adjustment |
Set/output the primary transfer voltage |
| U106 Secondary transfer voltage adjustment |
Set the adjustment value of the secondary transfer voltage |
| U107 Primary transfer cleaning voltage adjustment |
Set the cleaning voltage of the transfer belt |
| U108 Separation Shift bias adjustment |
Set the control voltage of the transfer belt unit cleaning |
| U110 Drum counter |
Display the drum counter |
| U111 Drive driving time |
Display/set the drum drive time |
| U117 Drum unit number |
Display the drum number |
| U118 Drum unit history |
Display the drum history |
| U119 Setting the drum |
Set the initial LSU light intensity |
| U122 Display the primary transfer unit number |
Display the primary transfer unit number |
| U123 Primary transfer unit history |
Display the machine number and the primary transfer unit counter history |
| U127 Clearing the transfer count |
Display the transfer counter value |
| U128 Transfer timing adjustment |
Adjust the transfer high voltage output ON/OFF timing |
| Developer system |
U130 Developer initial setting |
Set the toner sensor control voltage so that the sensor output value becomes the target one in initial developer. |
| U131 Toner sensor control voltage adjustment |
Adjust toner sensor control voltage |
| U132 Forcible toner supply operation |
Execute toner supply up to toner control level |
| U135 Checking the toner motor operation |
Drive toner motor |
| U136 Toner level detection setting |
Set the number of printable pages at toner near end |
| U139 Temperature, humidity |
Display the machine inside and outside temperature/humidity |
| U140 Developer bias adjustment |
Adjust the developer bias value and set the high altitude mode |